Base | Representation |
---|---|
bin | 1011010101101000101001 |
3 | 12121000002112 |
4 | 23111220221 |
5 | 1230102301 |
6 | 143412105 |
7 | 34156211 |
oct | 13255051 |
9 | 5530075 |
10 | 2972201 |
11 | 1750071 |
12 | bb4035 |
13 | 800acb |
14 | 575241 |
15 | 3da9bb |
hex | 2d5a29 |
2972201 has 4 divisors (see below), whose sum is σ = 2988804. Its totient is φ = 2955600.
The previous prime is 2972197. The next prime is 2972219. The reversal of 2972201 is 1022792.
2972201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 30976 + 2941225 = 176^2 + 1715^2 .
It is a cyclic number.
It is not a de Polignac number, because 2972201 - 22 = 2972197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2972251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030 + ... + 8391.
It is an arithmetic number, because the mean of its divisors is an integer number (747201).
22972201 is an apocalyptic number.
It is an amenable number.
2972201 is a deficient number, since it is larger than the sum of its proper divisors (16603).
2972201 is a wasteful number, since it uses less digits than its factorization.
2972201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16602.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 2972201 is about 1724.0072505648. The cubic root of 2972201 is about 143.7780950757.
Adding to 2972201 its reverse (1022792), we get a palindrome (3994993).
The spelling of 2972201 in words is "two million, nine hundred seventy-two thousand, two hundred one".
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